0.58 Inch Air Chipping Hammer, Hex Shank Shank, Stroke 4.02 in, Bore Diameter 1.14 in - 1700 BPM, Chicago Pneumatic, Mfr#: CP9373-4H

Air Chipping Hammer, Stroke Length 4 in, Air Inlet Size 7/8 in NPT, Blows per Minute 1,700 bpm, Shank Size 0.58 in, Air Inlet Type NPT, Air Inlet Connection Size 7/8 in, Compatible Collar Shape Oval, Power Source Air Powered, Air Consumption 33 cfm, Air Pressure 90 psi, Min. Hose Size 3/8 in, Lock-On Switch Yes